Tight Frames

• Constructing Packings in Grassmannian Manifolds via Alternating Projections (pdf, software)
  I. Dhillon, R. Jr., T. Strohmer, J. Tropp.
  Experimental Mathematics 17(1), pp. 9-35, 2008.
• On the Existence of Equiangular Tight Frames (pdf, software)
  M. Sustik, J. Tropp, I. Dhillon, R. Jr..
  Linear Algebra and its Applications 426(2), pp. 619-635, October 2007.
  (A previous version appears as UTCS Technical Report #TR-04-32, August 2004.)
• Designing Structured Tight Frames Via an Alternating Projection Method (pdf, software)
  J. Tropp, I. Dhillon, R. Jr., T. Strohmer.
  IEEE Transactions on Information Theory 51(1), pp. 188-209, January 2005.